+means higher intakes receive higher scores; - means higher
intakes receive lower scores
1. Healthful plant food group (n=7): whole grains, fruits,
vegetables, nuts, legumes, vegetable oils, tea & coffee
2. Unhealthful plant food group (n=5): fruit juices , refined
grains, potatoes, sugar-sweetened beverage, sweets and
desserts
3. Animal Food Group (n=6): animal fat, dairy, egg, fish or seafood,
meat (red, processed meat, poultry), miscellaneous animal-based
foods
indices and their scoring components, using the FFQ2
from the average of the two dietary records against FFQ 2 estimates
A: Plots for three plant-based diet indices
B: Plots for scoring components of plant-based diet
Coverage probability of beta estimates before and after correcting for measurement error
correcting for measurement error
| X. | pdi | hpdi | updi | hplant | uplant | tplant | animal |
|---|---|---|---|---|---|---|---|
| (N=742) | (N=742) | (N=742) | (N=742) | (N=742) | (N=742) | (N=742) | |
| FFQ1 | 53.0 [6.46] | 54.5 [7.58] | 53.9 [8.04] | 20.5 [5.27] | 14.2 [4.41] | 34.8 [7.13] | 17.8 [4.16] |
| Missing | 17 (2.3%) | 17 (2.3%) | 17 (2.3%) | 17 (2.3%) | 17 (2.3%) | 17 (2.3%) | 17 (2.3%) |
| FFQ2 | 52.8 [6.52] | 54.5 [7.95] | 53.9 [7.97] | 20.5 [5.34] | 14.2 [4.52] | 34.6 [7.34] | 18.2 [4.06] |
| DR_wk1 | 53.5 [6.57] | 55.3 [7.53] | 53.5 [7.95] | 21.0 [5.12] | 14.1 [3.71] | 35.0 [5.92] | 17.6 [3.88] |
| Missing | 4 (0.5%) | 4 (0.5%) | 4 (0.5%) | 4 (0.5%) | 4 (0.5%) | 4 (0.5%) | 4 (0.5%) |
| DR_wk2 | 53.6 [6.40] | 54.4 [7.36] | 53.8 [7.57] | 20.9 [5.00] | 14.6 [3.65] | 35.5 [5.85] | 17.9 [3.63] |
| Missing | 7 (0.9%) | 7 (0.9%) | 7 (0.9%) | 7 (0.9%) | 7 (0.9%) | 7 (0.9%) | 7 (0.9%) |
| vararible | ICC_FFQs | ICC_DRs | validity_FFQ2 |
|---|---|---|---|
| pdi | 0.69 | 0.57 | 0.47 |
| hpdi | 0.77 | 0.56 | 0.63 |
| updi | 0.73 | 0.62 | 0.61 |
| hplant | 0.76 | 0.68 | 0.55 |
| uplant | 0.77 | 0.50 | 0.48 |
| tplant | 0.76 | 0.61 | 0.40 |
| animal | 0.54 | 0.50 | 0.30 |